CN214661544U

CN214661544U - High-precision long-life tapered roller bearing used for medium-speed mill

Info

Publication number: CN214661544U
Application number: CN202120492193.2U
Authority: CN
Inventors: 王传新
Original assignee: Dalian Wazhou Electric Power Petrochemical Bearing Co ltd
Current assignee: Dalian Wazhou Electric Power Petrochemical Bearing Co ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2021-11-09
Anticipated expiration: 2031-03-09

Abstract

The utility model discloses a high-precision long-life tapered roller bearing used by a medium-speed mill, which comprises an outer collar, wherein the outer collar is provided with through holes, threaded holes, a tapered frame, an isolation pad and a sealing cover plate, the through holes are positioned at two sides of the inner part of the outer collar, the threaded holes are positioned in the outer collar and above the threaded holes, the tapered frame is embedded in the outer collar, the isolation pad is positioned at the right side of the tapered frame, the device avoids the bearing to be disassembled when maintaining the bearing, speeds up the bearing maintenance, reduces the labor intensity of operators when maintaining the bearing, reduces the wearing degree of the bearing when in use, symmetrically arranges two groups of rollers in the bearing, enhances the bearing capacity of the bearing in use, and prevents the phenomenon that the roller and the tapered frame are deformed due to uneven stress when the bearing is used, the service life of the bearing is prolonged.

Description

High-precision long-life tapered roller bearing used for medium-speed mill

Technical Field

The utility model relates to a tapered roller bearing, in particular to high accuracy long-life tapered roller bearing that intermediate speed ground used belongs to bearing technical field.

Background

At present, the existing tapered roller bearings have some defects, for example; the existing tapered roller bearing needs to be disassembled during maintenance, the speed of the bearing during maintenance is reduced, the labor intensity of operators during maintenance of the bearing is improved, the abrasion degree of the bearing during use is high, the bearing capacity of the existing tapered roller bearing during use is weak, the phenomenon that the position between a roller and a tapered frame is deformed easily due to uneven stress of the bearing during use is avoided, and the service life of the bearing is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy long-life tapered roller bearing that intermediate speed ground used, need dismantle it when the maintenance with the current tapered roller bearing that solves above-mentioned background art and propose, the speed when having slowed down the bearing maintenance, the intensity of labour when having improved operating personnel and doing the maintenance to the bearing, the degree of wear when the bearing uses is bigger, and the bearing capacity in the current tapered roller bearing use is relatively weak, the atress inequality leads to the phenomenon of department's deformation between roller and the tapered frame easily when the bearing uses, the problem of the life of bearing has been shortened.

In order to achieve the above object, the utility model provides a following technical scheme: including outer lantern ring, be provided with through-hole, screw hole, circular cone type frame, isolation pad and sealed apron on the outer lantern ring, the through-hole is located the inside both sides of outer lantern ring, the screw hole is located the inside of outer lantern ring, circular cone type frame gomphosis is in the inside of outer lantern ring, the isolation pad is located the right side of circular cone type frame, sealed apron gomphosis is in the edge of outer lantern ring side, sealed apron passes through connecting plate connection fixing bolt, the inside of screw hole is provided with sealed round pin, be provided with interior lantern ring and fixed axle on the circular cone type frame, interior lantern ring pass through the screw with the internal surface fixed connection of circular cone type frame, the fixed axle pass through the screw with the internal fixed connection of circular cone type frame, the outside of fixed axle is provided with the roller.

As an optimized technical scheme of the utility model, the preparation of the damped material of isolation pad to the symmetry sets up the both sides of outer lantern ring, the surface of sealed apron with the surface of outer lantern ring is on same horizontal plane.

As a preferred technical scheme of the utility model, the lower extreme of through-hole with the internal surface of outer collar communicates with each other, the upper end of screw hole with the surface of outer collar communicates with each other, the seal pin pass through the screw with the inside of screw hole communicates with each other.

As an optimized technical scheme of the utility model, the circular cone type frame is provided with two to the symmetry sets up the inside of outer lantern ring, the conical head position of circular cone type frame is located the centre department of outer lantern ring.

As an optimal technical scheme of the utility model, the even distribution of fixed axle is in the inside of circular cone type frame, the both ends card of fixed axle is in the medial surface of circular cone type frame.

As a preferred technical scheme of the utility model, the internal diameter size of roller with the external diameter size of fixed axle is identical, and the cover is in the surface of fixed axle, the 1/3 position of roller is exposed the outside of tapered frame.

Compared with the prior art, the beneficial effects of the utility model are that: through the combination of the through hole, the threaded hole and the sealing pin, when the bearing needs to be maintained, an operator can directly screw the sealing pin out of the threaded hole, then inject the liquid lubricating oil into the through hole from the threaded hole, then guide the liquid lubricating oil into the conical frame through the through hole, lubricate the roller in the conical frame, and slowly rotate the outer sleeve ring in the process of adding the lubricating oil, thereby effectively avoiding the disassembly of the bearing when maintaining the bearing, quickening the speed of the bearing maintenance, reducing the labor intensity of the operator when maintaining the bearing, reducing the abrasion degree of the bearing when in use, and symmetrically arranging two groups of rollers in the bearing, enhancing the bearing capacity of the bearing in use, and preventing the phenomenon that the roller and the conical frame are deformed due to uneven stress when the bearing is used, the service life of the bearing is prolonged.

Drawings

FIG. 1 is a schematic view of a part of the structure of the present invention;

FIG. 2 is a cross-sectional view of the conical frame of the present invention;

fig. 3 is a cross-sectional view of the outer collar of the present invention.

In the figure: 1. an outer collar; 2. a through hole; 3. a threaded hole; 4. a conical frame; 5. an insulating pad; 6. Sealing the cover plate; 7. a connecting plate; 8. fixing the bolt; 9. a seal pin; 10. an inner collar; 11. a fixed shaft; 12. a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the sealing device comprises an outer collar 1, wherein the outer collar 1 is provided with through holes 2, threaded holes 3, a conical frame 4, an isolation pad 5 and a sealing cover plate 6, the through holes 2 are positioned at two sides of the inner part of the outer collar 1, the threaded holes 3 are positioned in the outer collar 1, the conical frame 4 is embedded in the outer collar 1, the isolation pad 5 is positioned at the right side of the conical frame 4, the sealing cover plate 6 is embedded at the edge of the side surface of the outer collar 1, the sealing cover plate 6 is connected with a fixing bolt 8 through a connecting plate 7, a sealing pin 9 is arranged in the threaded holes 3, the conical frame 4 is provided with an inner collar 10 and a fixing shaft 11, the inner collar 10 is fixedly connected with the inner surface of the conical frame 4 through screws, and the fixing shaft 11 is fixedly connected with the inner part of the conical frame 4 through screws, the outside of the fixed shaft 11 is provided with a roller 12.

Preferably, the isolation pads 5 are made of damping materials and symmetrically arranged on two sides of the outer sleeve ring 1, and the outer surface of the sealing cover plate 6 and the outer surface of the outer sleeve ring 1 are on the same horizontal plane, so that the integrity and the precision of the bearing are enhanced.

Preferably, the lower end of the through hole 2 is communicated with the inner surface of the outer sleeve ring 1, the upper end of the threaded hole 3 is communicated with the outer surface of the outer sleeve ring 1, and the sealing pin 9 is communicated with the inside of the threaded hole 3 through a screw, so that the sealing pin 9 can be conveniently disassembled and assembled in the threaded hole 3.

Preferably, the two conical frames 4 are symmetrically arranged inside the outer collar 1, and the conical head of each conical frame 4 is located in the middle of the outer collar 1, so that the bearing capacity of the bearing in use is improved, and the probability of bearing damage is reduced.

Preferably, the fixing shafts 11 are uniformly distributed in the conical frame 4, and two ends of the fixing shafts 11 are clamped on the inner side surface of the conical frame 4, so that the overall effect between the fixing shafts 11 and the conical frame 4 is improved.

Preferably, the inner diameter of the roller 12 is matched with the outer diameter of the fixed shaft 11, and the roller is sleeved on the outer surface of the fixed shaft 11, and the 1/3 part of the roller 12 is exposed outside the conical frame 4, so that the flexibility and stability of the roller 12 when rotating on the fixed shaft 11 are improved.

The working principle is as follows: when the inner lantern ring 10 is in a fixed state in use, the outer lantern ring 1 rotates on the rollers 12, when the outer lantern ring 1 is in a fixed state, the inner lantern ring 10 drives the conical frame 4 to rotate inside the outer lantern ring 1, when the conical frame 4 rotates, the rollers 12 rotate on the fixed shaft 11, when the bearing needs maintenance, an operator can directly unscrew the sealing pin 9 from the threaded hole 3, then inject liquid lubricating oil into the through hole 2 from the threaded hole 3, then introduce the liquid lubricating oil into the conical frame 4 through the through hole 2, lubricate the rollers 12 inside the conical frame 4, and the outer lantern ring 1 needs to rotate slowly in the process of adding the lubricating oil.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy long-life tapered roller bearing that medium speed ground used, includes outer collar (1), its characterized in that: the outer sleeve ring (1) is provided with a through hole (2), a threaded hole (3), a conical frame (4), an isolation pad (5) and a sealing cover plate (6), the through hole (2) is located on two sides of the inner portion of the outer sleeve ring (1), the threaded hole (3) is located in the outer sleeve ring (1), the conical frame (4) is embedded in the outer sleeve ring (1), the isolation pad (5) is located on the right side of the conical frame (4), the sealing cover plate (6) is embedded in the edge of the side face of the outer sleeve ring (1), the sealing cover plate (6) is connected with a fixing bolt (8) through a connecting plate (7), a sealing pin (9) is arranged in the threaded hole (3), the conical frame (4) is provided with an inner sleeve ring (10) and a fixing shaft (11), and the inner sleeve ring (10) is fixedly connected with the inner surface of the conical frame (4) through a screw, the fixing shaft (11) is fixedly connected with the inner part of the conical frame (4) through a screw, and a roller (12) is arranged outside the fixing shaft (11).

2. The tapered roller bearing with high precision and long service life used in the medium-speed mill according to claim 1, wherein: the isolation pad (5) is made of damping materials and symmetrically arranged on two sides of the outer sleeve ring (1), and the outer surface of the sealing cover plate (6) and the outer surface of the outer sleeve ring (1) are on the same horizontal plane.

3. The tapered roller bearing with high precision and long service life used in the medium-speed mill according to claim 1, wherein: the lower end of the through hole (2) is communicated with the inner surface of the outer sleeve ring (1), the upper end of the threaded hole (3) is communicated with the outer surface of the outer sleeve ring (1), and the sealing pin (9) is communicated with the inside of the threaded hole (3) through a screw.

4. The tapered roller bearing with high precision and long service life used in the medium-speed mill according to claim 1, wherein: the two conical frames (4) are symmetrically arranged inside the outer sleeve ring (1), and the conical head of each conical frame (4) is located in the middle of the outer sleeve ring (1).

5. The tapered roller bearing with high precision and long service life used in the medium-speed mill according to claim 1, wherein: the fixing shaft (11) is uniformly distributed in the conical frame (4), and two ends of the fixing shaft (11) are clamped on the inner side face of the conical frame (4).

6. The tapered roller bearing with high precision and long service life used in the medium-speed mill according to claim 1, wherein: the inner diameter of the roller (12) is matched with the outer diameter of the fixed shaft (11), the roller is sleeved on the outer surface of the fixed shaft (11), and the 1/3 part of the roller (12) is exposed outside the conical frame (4).